Home additions · Renton, WA
Bump-Out Addition in Renton, WA
Small cantilevered bump-outs to expand kitchens, baths, or dining.
Bump-Out Addition in Renton, WA
When Renton homeowners search for bump-out addition or a dependable home additions contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Small cantilevered bump-outs to expand kitchens, baths, or dining.
Renton's mix of established and newer neighborhoods makes practical, value-driven remodels and roofing projects especially worthwhile.
A home addition lives or dies on the connection to the existing house — foundation, framing, and rooflines have to marry seamlessly so the new space feels original.
What's included in your bump-out addition
A typical bump-out addition in Renton can involve framing, insulation, foundation work, roofline tie-in — and we put the full scope in writing so you know exactly what's covered before work starts.
From room additions and bump-outs to second stories and full primary suites, we handle structural engineering and permits up front so there are no surprises.
How much does a bump-out addition cost in Renton?
Most bump-out addition projects in Renton fall between $42,500 – $127,000, depending on the size of the space, the finishes you choose, and the condition of what's already there.
Because every home is different, we don't quote final numbers sight unseen. After a free in-home consultation you get a detailed, itemized estimate tied to your actual home additions project — so there are no surprises later.
Why Renton homeowners choose Xion Build
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.
Our Renton home additions process
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
Frequently asked questions
How much does a bump-out addition cost in Renton?
Most bump-out addition projects in Renton run $42,500 – $127,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Renton price reflects the actual project — not a guess.
How long does a bump-out addition take?
Timelines depend on scope and permitting. Once the plan is confirmed we give you a realistic schedule and keep you updated as the home additions work progresses.
Do you offer a bump-out addition in Renton, WA?
Yes. Small cantilevered bump-outs to expand kitchens, baths, or dining. Xion Build is a licensed, bonded, and insured home additions contractor serving Renton and the surrounding WA communities.
Do you offer free estimates for bump-out addition near Renton?
Absolutely. We provide free, no-obligation in-home estimates throughout Renton and the greater Eastside, with transparent, itemized pricing.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Renton.
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Addition design & engineering
Architectural plans and structural engineering for additions.
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A new primary bedroom, bath, and closet wing.
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